THE BHYOPHYTA OF ICKLAM) 



519 



saturate virides, habitii fere formæ gracilis Brachijlhccii vcliiliiii. Caulis 

 repens, dense tomentosus, 2—3 cm. longus, 0.25 mm. crassus, ramos 

 erectos numerosos, 4—5 mm. longos emittens. Folia caulina non de- 

 CLirrentia e basi late ovata vel triangulo-cordata in cuspi(lem longissimuni 



Fig. 1.5. Brachijtheciiim IitiKiipilmii. a, Capsule (X20); /', brnncli-lcavcs (X20); 



c, stcm-leaves (X 20). 



et tenuissimum recurvatum producta, per totam marginem denticulata, 

 1 — 1.2 mm. longa, 0.4—0.6 mm. lata, costa brevi et indistincta. Folia 

 ramorum erecto-patentia aut subsecunda, lanceolata, longius acuminata, 

 1.4—1.6 mm. longa, 0.4—0.6 mm. lata, per totam marginem denticulata, 



Fig. 16. Brachijthccinw lomiipUuiu. LeaJ-base (X175; phot.). 



costa mediam partem folii paulo excedente. Cellulæ angustæ, sinuatæ, 

 0.004 mm. latæ, 0.060—0.075 mm. longæ, basilares in uno vel duo se- 

 riebus, ovales, porosæ, pachydermiæ, 0.010 mm. latæ, in angulis quadratæ 

 vel ovales, paucæ. 



Perichætium e cauli primario egressum. Folia perichætialia exteriora 

 apice brevi, interiora apice longo reflexo, ecostata vel costa perbrevi et 



